Toro Groundsmaster 5910 Series - PTO Mow Circuit

PTOMowCircuit
Working Pressure
Low Pressure (Charge)
Return or Suction
Flow
1.5 CID
P1
P2
M2
CDFRONT DECK
G1
LC110 PSI
PRV
3000 PSI
SQ
110 PSI
OR2 .025”
LC2
10 PSI
600
RV
M1
P1 P2
M1
LEFT DECK
CD
P1 P2
M1
DCKCED THGIR
TO STEERING/DECK LIFT
4.15 CID
21.7 GPM
36 PSI
M4 M5
0.032” 0.032”
S2
1.03 CID
2.11 CID
21.7 GPM
M14
RETURN FILTER
BREATHER
TRACTION PUMP
2.11 CID
S1
B
MB MA
A
3M2L
E
L4
42.7 GPM
FORWARD
REVERSE
10.6 GPM
OR1
5080
PSI
5080
PSI
TO TRACTION
MANIFOLD
P1 PORT
FROM STEERING
UNIT PORT T
MANIFOLD PORT P1
MANIFOLD CH2 PORT
FROM STEERING/LIFT
TO TRACTION
MANIFOLD
P2 PORT
FROM STEERING/DECK LIFT
FRONT WHEEL MOTOR CASE DRAIN
FROM TRACTION MANIFOLD CD1 PORT AND
290
PSI
TO TRACTION
MANIFOLD
CH PORT
MANIFOLD PORT CL
FROM STEERING/LIFT MANIFOLD
PORT T AND FRONT LIFT CYLINDERS
PSI
1.5 CID
M2
G1
LC110 PSI
PRV
3000 PSI
SQ
110 PSI
OR2 .025”
LC2
10 PSI
600
RV
M1
PSI
OR1
.063”
1.5 CID
M2
G1
LC110 PSI
PRV
3000 PSI
SQ
110 PSI
OR2 .025”
LC2
10 PSI
600
RV
PSI
OR1
.063”
AM3
ENGINE WOT SPEED: 2530 RPM
(Wide Open Throttle)
g287729
Figure42
PTOMowCircuit(AllDeckMotorsRotating)
Athree(3)sectiongearpumpiscoupledtothepiston(traction)pump.Hydraulic
owforthePTOmowcircuitissuppliedbytwo(2)sectionsofthegearpump.
Thegearpumpsectionclosesttothepistonpumpsupplieshydraulicowin
seriestotherightandleftdecks,whilethemiddlegearpumpsectionsupplies
thefrontdeck.
HydraulicSystem:HydraulicFlowDiagrams
Page5–28
Groundsmaster
®
5900&5910
16227SLRevB